Hoisting drum



1,579,062 J. M. BASS HOISTING DRUM March 30 1926 Filed August 10, 9

INVENTOR AITORNEY WITNESS:

Patented Mar. 1926.

UNITED STATES PATENT Fries.

JOHN BASS, or JOPLIN, virssonnr.

nois'r ive Daria.

Application filed August 10, 1925. Serial No. 49 ,369.

To all whom it may concern:

Be it known that I, Join: M. Bass, a citi zen of the United States,residing at Joplin, in: the county of Jasper ai'id State of Missouri,hare'iiivented new and useful Im provements in Hoisting Druinsfof whichthe following is a specification.

Hypresent invention has reference-to a when the friction surface or facethereof has become worn will be effectively overcome. I g

A further object is the provision of a drum for this purpose in whichafriction cone, surface or face has an interengagement with the innerface of one of the hollow heads of the drum, and is provided with simplemeans for 'removably locking the said element on the said faceof thedrum;

lVith the above broadly stated objects in view and others wiich willappear as the nature of the invention is better understood, reference isto be had to the drawings, which accompany and form part 01 thisapplication.

In the drawings V Figure 1 is a side elevation of the improvement. r I IFigure 2 is an end view thereof. 7

Figure 3 is a sectional view approXi-- mately 011 the line 3'3 of Figure2.

Figure 4 is an end view of the drum with the friction member removed.

Figure 5 is an inner face view of the fricy w inwardly projectingwedge-shmped, lugs 18 that are designed to be -receivecl in" the"wedge-shaped notclies'S. 'lherelis passed tion member.

Figure 6 15 an end viewof' the drum op" v posite that disclosed byFigure2.

The hollow cylindrical body of the drum 7 is indicated by thenuine'al 1. One of the fixed heads thereof is in the nature of a wingedflange 2 and is connected to the drum body by spokes 3. By reference tothe drawings, it will be noted thatthe spokes project beyond theperiphery of the body '1 so as to provide air openings between theclutch or friction surface. 7

of the drawings the clutch or friction surhead o has aiiannulardepression 7 and is formed with inner notches 8 that communicate with,the depression 7. From the hub 9 of the'dru'inhead'b there radiate lugsor en largenie'nts 10 that terminate with the inner walls of therespective notches 8. The side walls provided "by the notches 8 aredisposed at outward angles with respect to each other, and the innerwalls of these notchesare' formed with openings which align with'similaropenings in the spokes of the head 2.

In the ordinary type of winding drums no provision is inade for the freecirculation of air therethrough or for the circulation of air throughthe cable wound on the drum. Therefore, 'in addition to the spacesbetween the spokes 3,and the interior and ex .terior of the drum body 1,I provide the head 5, inward ofits flange 6, with open ings .11. In thismanner it will benotedthat a free circulation of air is directedinto Ithe drum and to the exterior thereof so" that an overheating of the drumby the cable which is wound thereon, or from other causes will be to agreat extent obviated. The air circulation is, of course, alsodirectedionto the cable.

is integrally formed withthe head thereof, similar to the flanged head5, as the frictional clutch surface is subjected to great strain and thesame is liable to breakage and abroken clutchsurface renders the entiredrum useless. Therefore, in carrying out my invention I provide aremovable In the showing face or element is inthe nature of aclutch IAlso withthi's class of. drums the friction element for the clutch ring12. The ring 12 has on'its inner end through tlie lugs 13 and throughthe re- 'ferred to openings n the head 5 and the spokes of the drum theshanks of beaded rods 1i, and screwed on the outer ends of theserodsthei'e are 111K315. By such arrangement it will be noted that shouldinjury be indicted to'a clutch ring 12 the same maybe easily removed andreplaced-by an undamaged ring.

Thesimplicity and advantages of niyconstruction will, it is thought, beperfectly apparent to-those skilled in the artto which such inventionrelates, when the foregoing accompanying drawings.

Having described the invention, I clai n 1. A drum of the classdescribed coinprising a hollow body having heads on the ends thereof,one of said heads being flanged ontwardly, the second head coinprising aring member, spokes connecting the ring member to the body and saidspokes merging into a hub, the oiiter face of the second head having anannular depression, and Wedgeshaped notches communicating with thedepression, a ring clutch member received in the annular depression andhaving Wedge lugs received in the notchesand means passing through thelugs, thesaid head and the spokes of the second head for removablysecuring the clutch ring on the drum.

2. A vinding drum having aholloW body,

heads formed on the ends thereof, one of said heads being apertured andprovided with-a peripheral rinnsaid head having an annular depressiononits outer face, Wedgenotches communicating with the depressions, lugson the said face of the head inward of the notches, a friction ringreceived in the depressions and having Wedge Ines to be receivedin thenotches, the second head being in the nature of a ring member which isdisposed outwardly with respect to the body, spokes integrally formedwith the. ring member and the body and merging into a hub and securingmeans passing through the lugs of the friction ring for the firstmentioned head and the spokes of the last ll'lGlltlODQCl head forholding the friction ring, on the drum;

In testimony whereof aitix my signature.

orin BASS.

